Overview
The BSS138W-7-F is a dual N-Channel enhancement mode MOSFET produced by Diodes Incorporated. This component is designed for high-efficiency power management applications, offering low on-state resistance, low gate threshold voltage, and fast switching speeds. It is packaged in a SOT-323 (SC-70) surface mount package, making it suitable for a variety of electronic circuits requiring compact and efficient switching solutions.
Key Specifications
| FET Type | No of Channels | Drain-to-Source Voltage [Vdss] | Drain-Source On Resistance-Max | Rated Power Dissipation | Gate-Source Voltage-Max [Vgss] | Drain Current | Turn-on Delay Time | Turn-off Delay Time | Operating Temp Range | Gate Source Threshold | Input Capacitance | Package Style | Mounting Method |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N-Ch | 1 | 50V | 3.5Ω | 200mW | ±20V | 200mA | 20ns | 20ns | -55°C to +150°C | 1.2V | 50pF | SOT-323 (SC-70) | Surface Mount |
Key Features
- Low On-Resistance: The BSS138W-7-F features a maximum drain-source on-resistance of 3.5Ω at VGS = 10V, ensuring high efficiency in power management applications.
- Low Gate Threshold Voltage: With a gate-source threshold voltage of 1.2V, this MOSFET is easy to drive and suitable for low-voltage systems.
- Low Input Capacitance: The input capacitance is 50pF, contributing to fast switching speeds.
- Fast Switching Speed: Turn-on and turn-off delay times are both 20ns, making it ideal for high-frequency applications.
- Totally Lead-Free & Fully RoHS Compliant: The device is lead-free and compliant with RoHS directives, ensuring environmental sustainability.
- Halogen- and Antimony-Free: This 'green' device is free from halogen and antimony, further enhancing its environmental credentials.
Applications
The BSS138W-7-F is designed for various high-efficiency power management applications, including but not limited to:
- Load Switching: Its low on-resistance and fast switching speeds make it ideal for load switching in power management circuits.
- Power Amplification: It can be used in circuits that require both amplification and switching of signals.
- Automotive Applications: Although the BSS138W-7-F itself is not automotive-compliant, a variant (BSS138WQ) is available for automotive use, requiring specific change control and manufactured in IATF 16949 certified facilities.
Q & A
- What is the maximum drain-to-source voltage of the BSS138W-7-F?
The maximum drain-to-source voltage is 50V. - What is the maximum drain current of the BSS138W-7-F?
The maximum drain current is 200mA. - What is the package style of the BSS138W-7-F?
The package style is SOT-323 (SC-70). - What is the mounting method of the BSS138W-7-F?
The mounting method is surface mount. - What are the operating temperature ranges of the BSS138W-7-F?
The operating temperature range is -55°C to +150°C. - Is the BSS138W-7-F RoHS compliant?
Yes, the BSS138W-7-F is totally lead-free and fully RoHS compliant. - What are the turn-on and turn-off delay times of the BSS138W-7-F?
Both the turn-on and turn-off delay times are 20ns. - What is the gate-source threshold voltage of the BSS138W-7-F?
The gate-source threshold voltage is 1.2V. - Is the BSS138W-7-F suitable for automotive applications?
No, the BSS138W-7-F itself is not automotive-compliant, but a variant (BSS138WQ) is available for such applications. - What is the maximum power dissipation of the BSS138W-7-F?
The maximum power dissipation is 200mW.
